// Thud - a dynamic object-oriented language
// Copyright (C) 2009,2010 David H. Hovemeyer <david.hovemeyer@gmail.com>

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

/*
 * ConstantSymbol.h
 *
 *  Created on: Dec 2, 2009
 *      Author: dhovemey
 */

#ifndef CONSTANTSYMBOL_H_
#define CONSTANTSYMBOL_H_

#include "vm/IndirectConstant.h"

/**
 * A symbol Constant.
 * Symbols are used in the bytecode to name
 * referenced fields and methods.
 */
class ConstantSymbol : public IndirectConstant {
private:
	ConstantSymbol(const ConstantSymbol &);
	ConstantSymbol& operator=(const ConstantSymbol &);

public:
	/** Default constructor. */
	ConstantSymbol();

	/**
	 * Constructor.
	 *
	 * @param stringRef ConstantPool index of a ConstantString containing
	 *                  the name of the symbol
	 */
	ConstantSymbol(uint16_t stringRef);

	virtual uint8_t getTagByte() const;
	virtual void accept(IConstantVisitor *visitor);
};

#endif /* CONSTANTSYMBOL_H_ */
